TY - RPRT TI - Mutations in artificial self-replicating tiles: A step toward Darwinian evolution AU - Zhou, Feng AU - Sha, Ruojie AU - Ni, Heng AU - Seeman, Nadrian AU - Chaikin, Paul PY - 2021 DO - 10.1073/pnas.2111193118 UR - https://www.osti.gov/biblio/1834244 ID - 1834244 ER -